688 m = 0.688 km. To convert meters to kilometers, divide by 1,000: 688 ÷ 1,000 = 0.688.
How to convert meters to kilometers
km = m × 0.001
- 1 m = 0.001 km (and 1 km = 1,000 m).
- Multiply the amount by the factor: 688 × 0.001 = 0.688.
- Answer: 688 m = 0.688 km.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Meters to Kilometers table
| Meters (m) | Kilometers (km) |
|---|---|
| 683 m | 0.683 km |
| 684 m | 0.684 km |
| 685 m | 0.685 km |
| 686 m | 0.686 km |
| 687 m | 0.687 km |
| 688 m | 0.688 km |
| 689 m | 0.689 km |
| 690 m | 0.69 km |
| 691 m | 0.691 km |
| 692 m | 0.692 km |
| 693 m | 0.693 km |
| m | km |
|---|---|
| 1 m | 0.001 km |
| 5 m | 0.005 km |
| 10 m | 0.01 km |
| 50 m | 0.05 km |
| 100 m | 0.1 km |
| 1,000 m | 1 km |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.